Propyne
CAS Registry Number®
74-99-7
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CAS Name
PropyneMolecular Formula
C3H4Molecular Mass
40.06Cite this Page
Propyne. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?ref=74-99-7 (retrieved ) (CAS RN: 74-99-7). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
-23.2 °C @ Press: 760 TorrMelting Point (2)
-102.7 °CDensity (1)
0.7062 g/cm³ @ Temp: -50 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
- (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
Other Names and Identifiers
InChI
InChI=1S/C3H4/c1-3-2/h1H,2H3
InChIKey
InChIKey=MWWATHDPGQKSAR-UHFFFAOYSA-N
SMILES
C(C)#C
Canonical SMILES
C#CC
Other Names for this Substance
- 1-Propyne
- Propyne
- Methylacetylene
- Propine
- Allylene
Deleted or Replaced CAS Registry Numbers
369597-38-6
